DM163025 Microchip Technology, DM163025 Datasheet - Page 45

• Manufacturer Part Number: DM163025
• Description: PIC DEM FULL SPEED USB DEMO BRD
• Manufacturer: Microchip Technology

Specifications of DM163025

• Main Purpose: Interface, USB 2.0 Host/Controller
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: PIC18F2455/2550/4455/4550
• Primary Attributes: Full Speed (12Mbps)
• Secondary Attributes: MPLAB ICE 2000/4000 Emulator Interface, Temp Sensor, Expansion and PICtail Headers
• Processor To Be Evaluated: PIC18F4550
• Interface Type: RS-232, USB
• Silicon Manufacturer: Microchip
• Core Architecture: PIC
• Core Sub-architecture: PIC18
• Silicon Core Number: PIC18F
• Silicon Family Name: PIC18F4xxx
• Kit Contents: Demo Board, Cables, CD & Documents
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: Q2086254

© 2008 Microchip Technology Inc.
TABLE A-1:
TABLE A-2:
TABLE A-3:
CHP_MCLR
ICPGC, ICPGD, ICRST
ICD_RB6, ICD_RB7
MCLR
OSC1, OSC2
RESET
RXn
USB_D+, USB_D-
USB_ATTACH
USB_SLEEP
V
V
USB
BUS
RS-232 Pin
PIC18F4550 Pin
SCK/RB1
Signal Name
SDI/RB0
1
2
3
4
5
6
7
8
9
RD0
RD1
RD2
RD3
RA0
RB2
SIGNALS USED IN THE PICDEM™ FS USB SCHEMATIC
RS-232 INTERFACE PINOUT
PERIPHERAL INPUT AND OUTPUT PIN ASSIGNMENTS
PIC18F4550 Pin
RC7/RX
RC6/TX
RA3
RA2
Vss
—
—
—
—
Hardware Master Clear signal (direct connection to MCLR pin of
microcontroller)
Dedicated ICD port clock, data and chip Reset signals
Legacy ICD port signals (PGC and PGD)
Hardware Master Clear signal
External oscillator input for the microcontroller
Generic chip Reset signal (routable to MCLR or ICRST)
Bit n of microcontroller PORTx
Differential USB signals
Bus attachment signal generated by power supply
Optional USB suspend signal from an external transceiver
Regulated 3.3V V
regulator
Bus power voltage supplied from USB cable
TC77 (Chip Select Output)
R20 (potentiometer) Input
TC77 (SPI Clock Output)
USB
TC77 (SPI Data Input)
RX (Received Data, PC Perspective)
TX (Transmit Data, PC Perspective)
supplied by microcontroller’s on-chip
LED D1 Output
LED D2 Output
LED D3 Output
LED D4 Output
Function
RTS (Request To Send)
CTS (Clear To Send)
Function
Pin Function
GND
DSR
DTR
CD
RI
DS51526B-page 41